Sr Electrical Hardware Engineer - 6 months - Valais

I\’m hiring on behalf of a client in the aerospace and clean energy sector for a Senior Electrical Hardware Engineer.

You\’ll lead the design, verification, and certification of control boards for an advanced Energy Storage System under EASA Part-21J . Ideal candidates have strong safety-critical experience and deep knowledge of DO-254, DO-160, ARP4754A, and ARP4761.

Sr Electrical Hardware Engineer – 6 months – Valais

Aerospace industry

Description

Technical Leadership

• Take ownership of ECBA design and architecture, ensuring traceability from system functions to board-level requirements
• Lead the development of mixed-signal electronics: power supplies, protection circuits, sensing, and control interfaces
• Contribute to and support PDR/CDR activities and technical design reviews

Documentation & Compliance

• Develop and review detailed technical documentation:

– Design Descriptions, Interface Control Documents (ICDs), and Block Diagrams
– Analyses (, Worst Case, Error Budget, Power Dissipation, Timing)
– DO-254-compliant V&V plans, hardware development plans, and FMEA

• Support certification documentation and compliance with internal and external quality standards

Verification, Test & Certification

• Define and execute test procedures (VTP, QTP, ATP)
• Ensure compliance with DO-160 environmental testing standards (, vibration, thermal, EMI/EMC)
• Support board-level integration, troubleshooting, and system testing
• Participate in SOI audits and liaise with certification authorities on behalf of the hardware function

Mentorship & Best Practices

• Provide guidance and peer review across hardware development activities
• Help maintain and evolve internal standards, design checklists, and engineering processes
• Promote best practices aligned with ARP4754A , DO-331 , and model-based engineering principles

Profile

Education & Experience

• Degree in Electrical/Electronics Engineering or related field (BSc/MSc)
• 7-10+ years of experience in high-reliability hardware design (aerospace, automotive, medical, or industrial sectors)
• Hands-on experience in DO-254 development environments, preferably for certified systems

Technical Skills

• Strong background in analog/digital design: DC/DC power supplies, protections, signal conditioning
• Proficient in simulation tools (SPICE, SIMetrix) and EMI/EMC techniques
• Experienced with ECAD tools – Altium Designer preferred
• Solid understanding of key standards : SAE ARP4754A, ARP4761, DO-254, DO-160, AMC 20-152, ASTM F3230
• Awareness of DO-178C , DO-331 for multidisciplinary integration

Consulting Mindset

• Analytical, detail-oriented, and highly autonomous
• Strong communication and documentation skills
• Comfortable working with both internal teams and external authorities
• Fluent in English (French is a plus)

Job Offer

High-Impact, Certification-Driven Work in a Cutting-Edge Domain

• Thisroleofferstheopportunitytoleadcritical hardware development for a next-generationEnergy Storage System (ESS) within the aerospace sector , directly contributing to system certification under EASA Part-21J . If you\’re passionate about working on complex, safety-critical systems that truly matter, this project puts your skills to the test-and on record with regulatory authorities.

Autonomous Role with Technical Authority & Flexibility

• As a consultant , you\’ll have the autonomy to make key technical decisions while working in a leadership capacity. You\’ll be viewed as a subject matter expert, not just a contributor-providing guidance, setting standards, and shaping design processes. This is ideal for senior engineers looking to work independently while still making a significant impact.

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